Development of Managed Aquifer Recharge in China

W. Wang; Y. Zhou; X. Sun; W. Wang

doi:10.21701/bolgeomin.125.2.008

Authors

W. Wang School of Resources and Environment, University of Jinan
Y. Zhou School of Resources and Environment, University of Jinan
X. Sun Earth Sciences Department, University of the West Cape
W. Wang School of Resources and Environment, University of Jinan

DOI:

https://doi.org/10.21701/bolgeomin.125.2.008

Keywords:

groundwater, GSHP, MAR, water production, water supply

Abstract

China has a long history in managed aquifer recharge (MAR). The historic development can be divided into 4 stages based on a summary of typical MAR projects. The first stage is MAR applied to agricultural production, the second is MAR applied to industrial production and alleviation of agricultural problems, the third is MAR applied to ecological protection and the increase in urban water supplies, and the fourth is multi-source MAR. In addition, geothermal reinjection and ground source heat pumps are also effective uses of MAR. Nevertheless, the MAR framework is defective, there is a lack of water quality studies, and the recharge rate of most projects is low. However, China has achieved a great effect on industrial and agricultural production, ecological protection, drinking water supplies and urban reclaimed water reuse, amongst others. But there are still many issues to be improved. A feasible, convenient and economic technique of MAR which fits local hydrogeological conditions needs to be developed and guidelines for both MARs and management regulations to ensure the successful running of MAR projects also need to be established. MAR will make a great difference to improving potable water quality, alleviating geological hazards, long distance water diversion, urban water supplies, agriculture irrigation, etc.

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